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CVE-2025-30346

Good to know:

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Date: March 20, 2025

Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2025-30346
https://security.alpinelinux.org/vuln/CVE-2025-30346
https://security-tracker.debian.org/tracker/CVE-2025-30346
https://varnish-cache.org/security/VSV00015.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00027.html
https://www.mend.io/vulnerability-database/CVE-2025-30346

Severity Score

Weakness Type (CWE)

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

CWE-444

Top Fix

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Upgrade Version

Upgrade to version https://github.com/varnishcache/varnish-cache.git - varnish-7.6.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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